Improvement in type-writing machines



2 Sheets-Sheet I.

Type-Writing Machine. 0 No. 212,724.- Patented Feb. 25,1879.

N I-NVBNTOR WITNESSES:

- I .mma/ @fi E a AI'TORNEYS.

w TNESSES:

2 sheets-sheet 2.

A. MIGHELA.

Type-Writing Machine. Patented Feb. 25, 1879.

INVENTOR I a. ma /M ATTORNEYS.

NrrED STATES PATENT FFIcE.

ANTONIO l\II()HELA, OF TURIN, ITALY,

IMPROVEMENT IN TYPE-WRlTING MACHINES.

Specification forining'part'of Letters 'PatentNo. 212,724. dated February 25, 1879'; kpplication filed November 1, 1878.

To all whom it may concern: Be 1t known that I; -ANTONLO MIGHELA, of .Tur1n, 1'n Italy, have invented a new and Improved Syllabic Stenophonographic Appara- M bus, of which the following is a specification:

The object of my invention is to 'construct an apparatus that may be used to print steno graphic or phonetic signs, thereby facilitating records of human language, and to arrange the said apparatus so that syllables maybe instantaneously recorded, as well as single stenographic or phonetic sounds.

My-lnvention consists in an apparatus having a keyboard with one set of keys adapted for thefingcrs of the righthand and a second set 9f keys for the left hand. Each key operates, by means of a-push-rod and lever, apunch a mark of distinctive character having a cer- 'tain ph onetic val ue according to a prearranged system. The movement of each key also feeds the sheet of paper forward. The keys are arranged in a manner similar to the White and black keys of a piano? so that a number of them maybe depressed at once to give a simultaneous action upon the paper and form a syllable containing as many phonetic signs as there are keys depressed.

The apparatus is shown in the accompany W thatprintseorimpresses'upo-n ashcet-of paper a is a case in which the parts of the appa ratus are placed, which case 'ntiay he of any desired shape for the convenience; of theoperator. The key-board is atone side of case a, and consists. of any desircd'nun her ofwhite keys, 11', and black keys,lc, arranged relatively to each other in a similar manner to pianokeys and hung upon a-fulcrnm-rod, d, at the hack of-casc a.

I prefer to arrange the keys in two sets, with the recording mechanism in the center, each set consisting, of six keys, b, and four keys, 0,

v the keys attlie right being for the right hand,

and in carrying out my invention each key i will always be struck by a particular finger for thepurposes of associating in the mind. of the operator a certain phonetic sound with each The keys rest upon a frame, 0, that is fitted to swing upon pivots f, on the upper edge hereinafter described, and the frame 0 is returned to place, when the key is relieved bya- -spring,-l, that is connected to the end of a second arm, m,. cxt-endingfrom frame 0.

.- Beneath each-key is a, p ush-rod, a, passing through a plate, 0, atthe upper edge of front board, 5 Each rod is provided with a spiral spring, p, that-rests on o and acts beneath the head on rod a, so as to elevate it. Each rod a is, at its lower end, adjust-ably connected to one of the levers g, which are fulcrumed, one

above theother, on the front of case a. The

opposite end of each lever q is connected to the lower end of one of the series of verticallyfitted punchesr, which punches are held at their upper ends in a head, 8, so that asa key, I) or 0, is depressedone of the punches 1' will be projected through the head .9 and against the'under surface of the platen t. The surface of t is formed of soft material such as lead-' and constitutes a matrix for the punches.

at a and c are paper holding and feeding rolls, which are journalcd inplate-s w w. Roller chas upon its arbor a ratchet whccl, a, (see' Fig. 4,) whilerollers a gear with 0), their pressure being reghlated by a spring, I), and screw .0, and they are connected by elastic belts, which bear upon the surface of c. The plates w are supported upon a bracket, 0, which is held to the back of case a bya screw, d, passing through-a slot, so that the bracket, with 'the plates and feeding-rolls, can be verticallyayljusted. A stripof paper of suitable width passes from a roll, 0, that is supported on hearings in a recess in front of case a over a scribed.

Each punch r prints, punches, or embosses the strip of paper with a distinct character. Each of these marks is to be a stenographic orphonetic character; and to form'a syllable two or more keys will be struck at once.

, I use in connection with the apparatus a chart, which is shown in Fig. 5. The section marked A is for the left-hand keys. The section marked B is for the right-hand, and the central section, 0, shows the characters of the punches. The keys are shown numbered and with their characters marked upon them. The first column of section A indicates twenty-four consonant-sounds, and upon'the line of each sound is the number of the key or keys which are to be used to form the sound. The first column of section B shows vowel-sounds, that are produced in a similar manner. This chart will be used by the operator, and forms a system of syllable phonography that renders the apparatus especially available for record ing langage in condensed form with'rapidity The apparatus and system described may be availed of to furnish reading-matter for the blind. The embossed characters will be, in that case, adapted to being read by the sense of touch.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination, with the two sets of keys b e and a central recording mechanism, of the swinging frame'e, having arms h m and inclined block a, the swinging arm 70, and the spring 1, as and for the purpose described.

2. The combination of the flexible toothed straps g, the swinging arm k, the ratchetwheel a, and the spring-arms h, to enable the feed-rolls to be operated by the keys, as specified.

3. In an apparatus .tor punchin printing, or embossing a sheet of paper containing punches that are operated by keys, the combination of the hinged frame e, arm h, block 1', arm 7:, straps g, and ratchet-wheel a, substantially as'and for the purposes set forth.

PROF. ANTONIO MIOHELA.

Witnesses:

FELIGE BUZETTA, LoRnNzo RAIMQNDO. 

